If the mean of the set of numbers x1,x2,…,xn is x¯, then the mean of the numbers xi+2i,1≤i≤n is

# If the mean of the set of numbers , then the mean of the numbers ${\mathrm{x}}_{\mathrm{i}}+2\mathrm{i},1\le \mathrm{i}\le \mathrm{n}$ is

1. A

$\overline{\mathrm{x}}+2\mathrm{n}$

2. B

$\overline{\mathrm{x}}+\mathrm{n}+1$

3. C

$\overline{\mathrm{x}}+2$

4. D

$\overline{\mathrm{x}}+\mathrm{n}$

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